| article html file updated | 14 February 2020 15:19 CET | Update | https://www.mdpi.com/2313-5778/3/4/67 |
| article html file updated | 3 December 2019 09:21 CET | Original file | - |
| article pdf uploaded. | 3 December 2019 09:20 CET | Version of Record | https://www.mdpi.com/2313-5778/3/4/67/pdf |
| article xml uploaded. | 3 December 2019 09:20 CET | Update | https://www.mdpi.com/2313-5778/3/4/67/xml |
| article xml file uploaded | 3 December 2019 09:20 CET | Original file | - |
